Immediate postoperative extubation in bilateral lung transplantation: predictive factors and outcomes†

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Abstract

Background:

We reviewed our experience with tracheal extubation in the operating room (E-OR) among cystic fibrosis patients requiring bilateral lung transplantation to evaluate safety and determine predictive factors of E-OR.

Methods:

The charts of 89 recipients (from May 2007 to June 2013) were analysed. Patients were divided into E-OR and E-ICU (intensive care unit extubation) groups. Data are expressed as numbers (percentages) or medians [25th–75th percentiles].

Results:

There were 41 patients in the E-OR group (46%). Donor and recipient characteristics were similar between groups. Intraoperative complications occurred less frequently in the E-OR group, and fluid and transfusion requirements were lower. Postoperative courses were different in the E-OR group, including a lower rate of grade 3 primary graft dysfunction (0 compared with 19 patients, P<0.0001) and shorter ICU (5.0 [3.7–7.2] compared with 11.5 [7.0–15.5] days) and hospital stays (22.0 [18.0–25.5] compared with 33.0 [25.0–56.5] days, respectively; P<0.0001 for both). The 1 yr survival rates were similar: 95% in the E-OR group and 98% in the E-ICU group. A statistical model built on a development cohort of 60 randomly selected patients predicted 95% of E-OR instances in this cohort and 82% of E-OR instances in the validation cohort (28 patients). Predictive factors were complications during single-lung ventilation (second graft implantation), complications during bipulmonary ventilation (end of surgery), and the ratio of arterial partial pressure of oxygen to fractional inspired oxygen (end of surgery).

Conclusions:

Our protocol allowed for extubation of 46% of bilateral lung transplant patients without increased postoperative risks.

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